Provide registry helm chart in eclipse-tractusx/e2e-testing

[tunacicek]

A general project is set up to deploy all components via a helm chart.

https://github.com/eclipse-tractusx/e2e-testing

As the digital twin registry is also a part of the decentralized environment, we need to provide a helm chart in this repository for the digital-twin-registry.

Further background information:

We had already started to provide an all-in-one helm chart.

eclipse-tractusx/charts#11

This PR will no longer be merged. Because:

Following the same approach, multiple teams will be collaborating in this eclipse-tractusx/e2e-testing repo.

[thomas-henn]

eclipse-tractusx/sig-release#347